This replacement or spare magazine is compatible with your rock island 1911.
Caliber: 45 ACP
Capacity: 13rd
Finish: Blued
Model: 1911
Material: Metal
Type: Detachable
Model Fit: 1911
Brand Fit: Rock Island
Capacity: 13
Caliber: 45 ACP
Capacity: 13rd
Finish: Blued
Model: 1911
Material: Metal
Type: Detachable
Model Fit: 1911
Brand Fit: Rock Island
Capacity: 13